HUABAN 2PCS MQ-3 MQ3 Special Alcohol Ethanol Gas Sensor Module

HUABAN 2PCS MQ-3 MQ3 Special Alcohol Ethanol Gas Sensor Module

HUABAN

MQ-3 Alcohol, Ethanol Gas Sensor Input Voltage : DC5V & Power consumption ( current ): 150mA & DO output: TTL digital 0 and 1 ( 0.1 and 5V) & AO output:0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal . Size: 32(L)x20(W)x16(H)mm/1.26"x0.79"x0.63" Package Include: 2PCS MQ-3 Sensor Module, Manufacturer: HUABAN

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